The largest pot in the history of online poker happened on Monday night. Patrik Antonius faced off against online mysteryman “Isildur1″ at four tables of $500/$1,000 pot-limit Omaha. “Isildur1″, who had recently been crushing the high stakes action, including taking more than $4 million dollars off of Tom Dwan.

The identity of Isildur1 still remains a mystery. What we do know is that he is Swedish, earlier confirmed by Barry Greenstein who also mentioned that we are going to see a lot more of the player in the future.